For omitting optional parentheses, ignore delimiters of lower priorities

[etc/vim.git] / blib2to3 / Grammar.txt

diff --git a/blib2to3/Grammar.txt b/blib2to3/Grammar.txt
index b19b4a21fadd7211e5525a9f944a5b74396a48ff..c9cb3a7e8c9bfe159684f3e23afaad8a2cb9a2d0 100644 (file)
--- a/blib2to3/Grammar.txt
+++ b/blib2to3/Grammar.txt
@@ -15,7 +15,7 @@ eval_input: testlist NEWLINE* ENDMARKER
 decorator: '@' dotted_name [ '(' [arglist] ')' ] NEWLINE
 decorators: decorator+
 decorated: decorators (classdef | funcdef | async_funcdef)
-async_funcdef: 'async' funcdef
+async_funcdef: ASYNC funcdef
 funcdef: 'def' NAME parameters ['->' test] ':' suite
 parameters: '(' [typedargslist] ')'
 typedargslist: ((tfpdef ['=' test] ',')*
@@ -66,7 +66,7 @@ exec_stmt: 'exec' expr ['in' test [',' test]]
 assert_stmt: 'assert' test [',' test]
 
 compound_stmt: if_stmt | while_stmt | for_stmt | try_stmt | with_stmt | funcdef | classdef | decorated | async_stmt
-async_stmt: 'async' (funcdef | with_stmt | for_stmt)
+async_stmt: ASYNC (funcdef | with_stmt | for_stmt)
 if_stmt: 'if' test ':' suite ('elif' test ':' suite)* ['else' ':' suite]
 while_stmt: 'while' test ':' suite ['else' ':' suite]
 for_stmt: 'for' exprlist 'in' testlist ':' suite ['else' ':' suite]
@@ -105,7 +105,7 @@ shift_expr: arith_expr (('<<'|'>>') arith_expr)*
 arith_expr: term (('+'|'-') term)*
 term: factor (('*'|'@'|'/'|'%'|'//') factor)*
 factor: ('+'|'-'|'~') factor | power
-power: ['await'] atom trailer* ['**' factor]
+power: [AWAIT] atom trailer* ['**' factor]
 atom: ('(' [yield_expr|testlist_gexp] ')' |
        '[' [listmaker] ']' |
        '{' [dictsetmaker] '}' |
@@ -138,11 +138,11 @@ arglist: argument (',' argument)* [',']
 # that precede iterable unpackings are blocked; etc.
 argument: ( test [comp_for] |
             test '=' test |
-           '**' expr |
-           star_expr )
+           '**' test |
+            '*' test )
 
 comp_iter: comp_for | comp_if
-comp_for: ['async'] 'for' exprlist 'in' or_test [comp_iter]
+comp_for: [ASYNC] 'for' exprlist 'in' or_test [comp_iter]
 comp_if: 'if' old_test [comp_iter]
 
 # As noted above, testlist_safe extends the syntax allowed in list
@@ -161,7 +161,7 @@ comp_if: 'if' old_test [comp_iter]
 #
 # See https://bugs.python.org/issue27494
 old_comp_iter: old_comp_for | old_comp_if
-old_comp_for: ['async'] 'for' exprlist 'in' testlist_safe [old_comp_iter]
+old_comp_for: [ASYNC] 'for' exprlist 'in' testlist_safe [old_comp_iter]
 old_comp_if: 'if' old_test [old_comp_iter]
 
 testlist1: test (',' test)*